Clarence J., Goodnight M. L., 1945: Additional Phalangida from Mexico. 17 pp. (in English). American Museum Novitates 1281: 1-17.

 Clarence J., Goodnight M. L., 1945: Phalangida from The United States. 7 pp. (in English). Journal of the New York Entomological Society 53: 239-245.

 Clari P., Gagliardi C., Governa M. E., Ricci B., Zuppi G. M., 1988: I calcari di marmorito: una testimonianza di processi diagenetici in presenza di metano. 20 pp. (in Italian). Bolletino del Museo regionale di Scienze Naturali – Torino 6(1): 197-216.

 Claridge M. F., 1959: A new species of Trichogrammatid (Hymenoptera, Chalcidoidea) parasitic in mirid eggs (Hemiptera - Heteroptera). 4 pp. 

 Clark A. H., 1901: Peronea cristana, Fabr., and its aberrations (with plate). 3 pp. 

 Clark A. H., 1907: Eighteen new species and one new genus of birds from Eastern Asia and the Aleutian Islands. 9 pp. 

 Clark A. H., 1911: Report on a collection of birds made by Pierre Louis Jouy in Korea. 30 pp. 

 Clark A. H., 1911: The birds collected and observed during the cruise of the United States Fisheries steamer “Albatross” in the North Pacific Ocean, and in the bering, Okhotsk, Japan, and eastern seas, from april to december, 1906. 48 pp. 

 Clark A. H., 1913: Three interesting Butterflies from Eastern Massachusetts. 3 pp. 

 Clark A. H., 1927: Notes on the melitaeid butterfly Euphydryas phaeton (Drury), with descriptions of a new subspecies and a new variety. 26 pp. 

 Clark A. H., 1936: Five new genera and two new species of unstalked crinoids. 6 pp. 

 Clark A. H., 1936: Notes on the Butterflies of the genus Enodia and description of a new frittillary from Peru. 9 pp. 

 Clark A. H., 1936: The nest of odynerus tempiferus var. macio bequaert, with notes on the habits of the wasps. 7 pp. 

 Clark A. H., 1937: A new subspecies of the nymphalid butterfly Polygonia faunus. 5 pp. 

 Clark A. H., 1941: Notes on some North and Middle American danaid butteflies. 12 pp. 

 Clark A. H., Sandhouse G. A., 1936: The nest of Odynerus tempiferus var. macio Bequaert, with notes on the habits of the wasps. 7 pp. 

 Clark A. H., Zetek J., 1946: The Onychophores of Panama and the Canal Zone. 9 pp. 

 Clark A. M., Clark A. H., 1954: A revision of the sea-stars of the genus Tethyaster. With 12 plates, 27 pp.  Discount 20%!

 Clark A. M., Rockstein M., 1964: Aging in insects. 55 pp. 

 Clark E. J., 1950: On the abundance ot the Australian plague locust Chortoicetes terminifera (Walker) in relation to the presence of trees. 12 pp. 

 Clark G. T., Fricke R., 1985: A new species of dragonet, Synchiropus randalli, from Easter Island (Teleostei: Callionymidae). 5 pp. 

 Clark H. L., 1899: The feather-tracts of North American grouse and quail. 13 pp. 

 Clark H. L., 1923: Two new genera of Sea-Urchins. 8 pp. Bulletin of the Museum of Comparative Zoology 65/10: 339-348.

 Clark J. T., 1976: The eggs of stick insects (Phasmida): a review with descriptions of eleven species. 11 pp. Systematic Entomology 1(2): 95-105.

 Clark J., 1952: The spruce bud midge, Rhabdophaga swainei Felt (Cecidomyiidae: Diptera). 3 pp. 

 Clark R. C., Brown N. R., 1960: Studies of predators of the balsam woolly aphid, Adelges piceae (Ratz.) (Homoptera: Adelgidae) VII. Laricobius rubidus Lec. (Coleoptera: Derodontidae) a predator of Pineus strobi (Htg.) (Homoptera: Adelgidae). 4 pp. 

 Clark S. M., 1987: An unusual new genus and species of galerucine beetle from Haiti (Coleoptera: Chrysomelidae). 4 pp. The Coleopterists Bulletin 41(2): 167-170.

 Clark W. E., 1976: Review of genus-group taxa included in the genus Tychius Germar (Coleoptera: Curculionidae). 5 pp. 

 Clark W. E., 1977: North American Tychius: New synonymy and observations on phylogeny and zoogeography (Coleoptera: Curculionidae). 14 pp. 

 Clark W. E., 1982: Apolpones Hustache, a new synonym of Sibinia Germar (Coleoptera, Curculionidae). 4 pp. The Coleopterists Bulletin 36(2): 287-290.

 Clark W. E., 1984: A new Mexican Sibinia Germar allied to S. bothrosterna Clark (Coleoptera: Curculionidae). 4 pp. The Coleopterists Bulletin 38(4): 390-393.

 Clark W. E., 1987: Revision of the Nearctic species of Pseudanthonomus Dietz (Coleoptera: Curculionidae). 23 pp. The Coleopterists Bulletin 41(3): 263-285.

 Clark W. E., 1987: Revision of the unipustulatus group of the weevil genus Anthonomus Germar (Coleoptera: Curculionidae). 16 pp. The Coleopterists Bulletin 41(1): 73-88.

 Clark W. E., 1988: Review of the Anthonomus alboscutellatus species group, with description of a new species (Coleoptera: Curculionidae). 8 pp. The Coleopterists Bulletin 42(4): 379-386.

 Clark W. E., 1988: Revision of the furcatus species group of the weevil genus Anthonomus Germar (Coleoptera: Curculionidae). 19 pp. The Coleopterists Bulletin 42(4): 359-377.

 Clark W. E., 1988: The species of Anthonomus in the albolineatus group (Coleoptera: Curculionidae). 52 pp. 

 Clark W. E., 1989: Lonchophorellus Clark, a new genus of neotropical Anthonomini (Coleoptera: Curculionidae). 11 pp. The Coleopterists Bulletin 43(3): 279-289.

 Clark W. E., 1989: Revision of the puncticeps species group of the genus Anthonomus Germar (Coleoptera: Curculionidae). 13 pp. The Coleopterists Bulletin 43(1): 45-57.

 Clark W. E., 1990: Revision of the Anthonomus subgenus Anthonomocyllus Dietz (Coleoptera: Curculionidae). 42 pp.[19507] Quaestiones Entomologicae 26: 559-600.

 Clark W. E., 1990: Revision of the calvescens species group of the genus Anthonomus (Coleoptera: Curculionidae). 12 pp. Trans. Amer. entomol. Soc. 116(3): 643-654.

 Clark W. E., 1990: Revision of the fischeri species group of the genus Anthonomus (Coleoptera: Curculionidae). 24 pp. Trans. Amer. entomol. Soc. 116(3): 619-642.

 Clark W. E., 1990: Revision of the flavirostris species group of the genus Anthonomus Germar (Coleoptera: Curculionidae). 34 pp.  Trans. Amer. entomol. Soc. 116(1): 261-294.

 Clark W. E., 1991: Dietzia Champion, a new synonym of Plocetes LeConte (Coleoptera: Curculionidae). 2 pp. The Coleopterists Bulletin 45(2): 191-192.

 Clark W. E., 1991: Revision of the Anthonomus alboannulatus and Athonomus triensis species groups (Coleoptera: Curculionidae). 21 pp. The Coleopterists Bulletin 45(3): 206-226.

 Clark W. E., 1992: New synonymy, a new combination and a lectotype designation in Neotropical Anthonomini (Coleoptera: Curculionidae). 4 pp. The Coleopterists Bulletin 46(3): 286-289.

 Clark W. E., 1992: The Biologia Centrali-Americana species of Anthonomus in the subgenus Anthomorphus Weise (Coleoptera: Curculionidae). 5 pp. The Coleopterists Bulletin 46(2): 203-207.

 Clark W. E., 1993: Listrorrhynchus Champion, a new synonym of Anthonomus Germar (Coleoptera: Curculionidae). 3 pp. The Coleopterists Bulletin 47(2): 192-194.

 Clark W. E., 1993: The Coleopterists Bulletin. 4 pp. The Coleopterists Bulletin 47(3): 317-320.

 Clark W. E., 1993: The weevil genus Neomastix Dietz (Coleoptera: Curculionidae). 19 pp. The Coleopterists Bulletin 47(1): 1-19.

 Clark W. E., 2006: Scientific note: Removal of Cissoanthonomus Hustache from synonymy with Atractomerus Duponchel and Chevrolat (Coleoptera: Curculionidae). 2 pp. The Coleopterists Bulletin 60(4): 345-346.